Eagle Chevy LS1 4.000in Crank 24 Tth Reluctor 6.125in I-Beam Rods 3.898in Pistons Rotating Assembly

If you're building a naturally-aspirated LS1 engine for racing, this Eagle Pro Street rotating assembly is a solid foundation. It includes a forged 4.000-inch crankshaft, 6.125-inch I-beam connecting rods, and 3.898-inch flat-top pistons, all designed to work together for optimal performance in high-RPM applications.

The heart of this assembly is the 4.000-inch forged 4140 steel crankshaft, built for strength and durability under demanding race conditions. It features a 24-tooth reluctor wheel, essential for LS1 engine management systems. The 6.125-inch I-beam connecting rods are forged from 4340 steel and come equipped with 7/16-inch ARP 8740 bolts, known for their reliability in high-stress environments. The included forged 4032 DSS pistons are flat-top with a -5cc dish, designed for a 3.898-inch bore size, and come with plasma-moly file-fit rings for a good seal. King XP rod and main bearings are also included, offering robust protection for your rotating assembly.

This assembly is specifically intended for naturally-aspirated racing use. Please note that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and tuning.